CN211285659U - Drainage system for foundation pit - Google Patents
Drainage system for foundation pit Download PDFInfo
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- CN211285659U CN211285659U CN201921728929.0U CN201921728929U CN211285659U CN 211285659 U CN211285659 U CN 211285659U CN 201921728929 U CN201921728929 U CN 201921728929U CN 211285659 U CN211285659 U CN 211285659U
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Abstract
The utility model relates to a drainage system for foundation ditch. The drainage system comprises a first sleeve, a drainage pipe, a second sleeve and a pipeline, wherein the first sleeve is provided with a first opening, a second opening and a third opening; the first opening and the second opening are opposite; the number of the first sleeves is multiple, and the multiple first sleeves are arranged around the foundation pit at intervals; the number of the drain pipes is multiple, and the drain pipes are respectively inserted into the first opening and the second opening of the first sleeve; the number of the second sleeves is multiple, and the second sleeves are connected with the adjacent drain pipes; the pipeline is communicated with the third opening and is used for being connected with a vacuum pump. Above-mentioned a drainage system for foundation ditch not only improves drainage efficiency, avoids the foundation ditch infiltration and produces the deformation, and need not to build by laying bricks or stones the escape canal, reduces the cost, and the construction of being convenient for improves construction quality.
Description
Technical Field
The utility model relates to a foundation ditch drainage technical field especially relates to a drainage system for foundation ditch.
Background
The foundation pit engineering refers to measures such as soil retaining structures, underground water control, environmental protection and the like which are required for ensuring the safety and stability of an underground space formed by downward excavation of the ground during the construction of an underground structure. In the foundation pit construction process, after the earthwork is excavated, the periphery of the foundation pit generates small deformation, so that cracks are generated in the conventionally used brick drainage open ditch, and water pumped into the drainage ditch permeates through the cracks and flows into the foundation pit again to influence the foundation pit construction. Generally, a trench is dug in a foundation pit for drainage. The method increases manpower and material resources, and is inconvenient for construction
SUMMERY OF THE UTILITY MODEL
Therefore, a drainage system for a foundation pit is needed to solve the problems of deformation caused by water seepage of the foundation pit and convenience in construction.
A drainage system for a foundation pit, comprising:
a first cannula having a first opening, a second opening, and a third opening; the first opening and the second opening are opposite; the number of the first sleeves is multiple, and the multiple first sleeves are arranged around the foundation pit at intervals;
the number of the drain pipes is multiple, and the drain pipes are respectively inserted into the first opening and the second opening of the first sleeve;
the number of the second sleeves is multiple, and the second sleeves are connected with the adjacent drain pipes; and
and the pipeline is communicated with the third opening and is used for being connected with a vacuum pump.
The drainage system for the foundation pit comprises a first sleeve, a drainage pipe, a second sleeve and a pipeline, wherein the first sleeve is provided with a first opening, a second opening and a third opening, the first opening is opposite to the second opening, the number of the first sleeves is multiple, the multiple first sleeves are arranged around the foundation pit at intervals, the number of the drainage pipes is multiple, the drainage pipes are respectively inserted into the first opening and the second opening of the first sleeve, namely the first opening and the second opening are both communicated with the drainage pipe, the pipeline is communicated with the third opening and is connected with a vacuum pump, so that precipitation can be sucked from the pipeline through the vacuum pump, the precipitation respectively enters the drainage pipe through the first sleeve, the drainage pipe is connected with a water collecting well, the precipitation can be discharged, the adjacent drainage pipes are connected through the second sleeve, a closed and communicated drainage system is formed, and the drainage efficiency is improved, avoid the foundation ditch infiltration and produce the deformation, and need not to build by laying bricks or stones the escape canal, reduce the cost, the construction of being convenient for improves construction quality.
In one embodiment, the pipe connector further comprises a cover plate, the cover plate is detachably connected with the first sleeve, the cover plate covers the third opening, a through hole is formed in the cover plate, and the pipe passes through the through hole and is communicated with the first sleeve.
In one embodiment, the conduit is a rubber hose.
In one embodiment, the cover plate is threadably connected to the first casing.
In one embodiment, the second sleeve is in socket connection with the drain pipe.
In one embodiment, an adhesive layer is arranged at the socket between the second sleeve and the drain pipe.
In one embodiment, the distance between adjacent first sleeves is 20-25 m.
In one embodiment, the flashing slope of the drainage system is 1% -5%.
In one embodiment, the drainage system further comprises a pad part, wherein the pad part is arranged on one side of the drainage pipe close to the foundation pit and used for changing the flashing gradient of the drainage system.
Drawings
FIG. 1 is a schematic structural view of a drainage system for a foundation pit according to an embodiment;
fig. 2 is a schematic cross-sectional view of the drain pipe and first sleeve connection shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, a drainage system 100 for a foundation pit of an embodiment includes a first casing 110, a drainage pipe 120, a second casing 130, and a pipe 140. The drainage system 100 is used for drainage measures during precipitation construction of a deep foundation pit. The drainage system 100 discharges precipitation of the foundation pit, the drainage system 100 is connected with a vacuum pump, the vacuum pump pumps up the precipitation to enter the drainage system 100, and then the drainage system 100 discharges the precipitation into a water collecting well.
The first sleeve 110 has a first opening, a second opening, and a third opening, the first opening and the second opening being opposite. That is, the first sleeve is T-shaped. The number of the first sleeves 110 is plural, and the plural first sleeves 110 are arranged around the foundation pit 200 at intervals, that is, the first sleeves 110 are arranged along the periphery of the foundation pit 200 according to a predetermined distance. In one embodiment, the distance between adjacent first casings 110 is 20-25 m, that is, every 20-25 m around the foundation pit 200, the first casings 110 are arranged, and the pumped precipitation is discharged into the drainage pipe through the first casings 110.
The number of the drain pipes 120 is plural, and the drain pipes 120 are respectively inserted into the first opening and the second opening of the first sleeve 110, as shown in fig. 2. That is, the drain pipe 120 is connected to both ends of the first casing 110. It should be noted that the length of the drainage pipes 120 is determined according to the distance between the adjacent first sleeves 110, and the number of the drainage pipes 120 is determined according to the number of the first sleeves 110 and the size of the foundation pit 200, as long as a closed drainage system surrounding the foundation pit 200 can be formed. The drain pipe 120 may be a PVC pipe or the like. In addition, the drainage pipes 120 are simplified and have non-precise ratios, so that the specific pipe diameter is determined according to the drainage amount of the construction site. In addition, the drain pipe 120 is used to be connected to the sump for discharging the precipitation, wherein the drain pipe 120 may be connected to the sump 300 directly or through another pipe.
Further, the second sleeve 130 connects the adjacent drain pipes 120, and the second sleeve 130 is used to connect whenever the drain pipes 120 are adjacent, so that the entire drainage system 100 forms a closed drainage system. The number of the second sleeves 130 is determined according to the site construction, the number of the second sleeves 130 is determined according to the number of the drain pipes 120, and the number of the second sleeves 130 may be determined as long as the drain pipes 120 can be connected.
Further, the pipe 140 communicates with the third opening, that is, the pipe 140 is connected with the first sleeve 110, and the pipe 140 passes through the third opening. The pipe 140 is used for connection with a vacuum pump, i.e. the vacuum pump pumps up the precipitation of the foundation pit, through the pipe 140 into the first casing 110 and into the drain 120, and the drain 120 is connected to the sump so that the precipitation can be drained through the sump. Through the setting of first sleeve pipe 110, will draw water effectively and combine together with the drainage, simple structure, convenient construction.
The drainage system 100 for the foundation pit comprises a first sleeve 110, a drainage pipe 120, a second sleeve 130 and a pipeline 140, wherein the first sleeve 110 is provided with a first opening, a second opening and a third opening, the first opening is opposite to the second opening, the number of the first sleeves 110 is multiple, the multiple first sleeves 110 are arranged around the foundation pit at intervals, the number of the drainage pipes 120 is multiple, the drainage pipes 120 are respectively inserted into the first opening and the second opening of the first sleeve 110, namely, the first opening and the second opening are both communicated with the drainage pipe 120, the pipeline 140 is communicated with the third opening, the pipeline 140 is connected with a vacuum pump, so that precipitation can be sucked from the pipeline through the vacuum pump, the precipitation respectively enters the drainage pipes 120 through the first sleeves 110, the drainage pipes 120 are connected with a water collecting well, so that the precipitation can be discharged, and the adjacent drainage pipes are connected through the second sleeve 130, the drainage system who seals the intercommunication improves drainage efficiency, avoids the foundation ditch infiltration and produces the deformation, and need not to build by laying bricks or stones the escape canal, reduces the cost, and the construction of being convenient for realizes drainage pipe network's construction fast, improves construction quality. The drainage system 100 is a closed and communicated drainage system, and drainage is performed by using a closed flexible drainage system, that is, drainage of the foundation pit is performed by combining precipitation of a precipitation well with a drainage pipe 120, and the pumped foundation pit water is discharged to the drainage pipe 120, flows into a water collecting well through the drainage pipe, and is uniformly discharged into municipal pipelines through a sedimentation tank.
In one embodiment, the drainage system 100 further includes a cover plate 150, the cover plate 150 is detachably connected to the first sleeve 110, the cover plate 150 covers the third opening, and a through hole is formed in the cover plate 150, through which the pipe 140 is communicated with the first sleeve 110, so as to fix an insertion position of the pipe 140. The cover plate 150 may be a plastic cover plate, and the material used for the cover plate 150 may be PP, PE, or the like. By the arrangement of the cover plate 150, foreign materials can be prevented from entering the drainage system 100, and the problems of blockage and the like can be avoided. Further, in an embodiment, the pipe 140 is a rubber hose, so that the pipe 140 can be bent, etc., and has a more flexible structure, and can be inserted into the drain pipe 120. At this time, the drainage system 100 forms a drainage system of a pumping hose, a drainage pipeline, a water collecting well, a sedimentation tank and a municipal pipe network, and forms a flexible closed drainage system, so that the drainage efficiency is further improved.
In one embodiment, the cover plate 150 is threadably coupled to the first sleeve 110. Through threaded connection, the operation is convenient, the structure is simple, and the sealing performance between the cover plate 150 and the first sleeve 110 is better.
In one embodiment, the second sleeve 130 is socket connected to the drain pipe 120 such that the second sleeve 130 is tightly connected to the drain pipe 120. Further, the socket between the second sleeve 130 and the drain pipe 120 may be provided with an adhesive layer. Through the setting of gluing layer, further strengthen second sleeve 130 and drain pipe 120's leakproofness, avoid phenomenons such as leaking.
Further, in one embodiment, the slope of the flashing of the drainage system 100 is 1% -5%, so that the precipitation flowing into the drainage pipe 120 can flow to the sump by the weight of the water. That is, the drain pipe 120 in the drainage system 100 is inclined, and the drain pipe 120 is inclined in the opposite direction to the construction area of the foundation pit. The flashing gradient of the drainage system 100 is determined according to the precipitation of the foundation pit, and when the precipitation is large, the flashing gradient of the drainage system 100 can be a little larger. Further, the slope of the flooding of the drainage system 100 may be changed by a pad, that is, the drainage system 100 further includes a pad provided at a side of the drainage pipe 120 near the foundation pit for changing the slope of the flooding of the drainage system 100. When the precipitation of foundation ditch is big, can set up the pad portion in the below of drain pipe 120 to the flashing slope of increase drainage system 100, the precipitation of being more convenient for is discharged, otherwise, the precipitation of foundation ditch is little, can get rid of the pad portion of drain pipe 120 below, thereby reduces drainage system 100's flashing slope.
Above-mentioned drainage system 100 promotes the demand to the drainage effect, carries out deepening design to the drainage route and forms not only pleasing to the eye but also practical novel drainage system, and the water that the suction pump went up collects in drain pipe 120, puts the sump pit with water drainage through drain pipe 120 in, and water in the sump pit passes through the sedimentation tank and gets into underground drainage system again. Therefore, in the process of foundation pit construction, the phenomenon that the discharged water permeates through the cracks and permeates into the foundation pit again to flow back to the foundation pit to influence the foundation pit construction is avoided. Adopt to draw water and combine together with the drain pipe, discharge the water to the drain pipe around the construction area, flow into the sump pit through the drain pipe, through the sedimentation tank, unified drainage in municipal pipeline. The temporary drainage system not only meets the basic drainage requirement, but also reduces the engineering cost of temporary drainage to the greatest extent according to the principle of economy, science, reasonability and civilization, simultaneously considers the possibility that each section of drainage pipe network has movement during construction, is convenient to use, takes management and maintenance as the guiding principle, and ensures normal drainage during the construction period.
The construction method of the drainage system for the foundation pit of the embodiment comprises the following steps: arranging the first sleeve pipes around the foundation pit according to a preset interval; communicating a drain pipe with two opposing openings of the first sleeve; connecting a conduit to the first conduit; a second sleeve is used to connect adjacent said drainage pipes. It should be noted that the drainage system formed as described in the above embodiments is not described herein. The construction method for the drainage system of the foundation pit is convenient to construct, high in construction quality and cost-saving.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A drainage system for a foundation pit, comprising:
a first cannula having a first opening, a second opening, and a third opening; the first opening and the second opening are opposite; the number of the first sleeves is multiple, and the multiple first sleeves are arranged around the foundation pit at intervals;
the number of the drain pipes is multiple, the drain pipes are respectively inserted into the first opening and the second opening of the first sleeve, and the drain pipes are used for being connected with a water collecting well;
the number of the second sleeves is multiple, and the second sleeves are connected with the adjacent drain pipes; and
and the pipeline is communicated with the third opening and is used for being connected with a vacuum pump.
2. The drainage system for the foundation pit as claimed in claim 1, further comprising a cover plate, wherein the cover plate is detachably connected to the first sleeve, the cover plate covers the third opening, a through hole is formed in the cover plate, and the pipeline passes through the through hole and is communicated with the first sleeve.
3. The drainage system for foundation pits of claim 2, wherein the pipe is a rubber hose.
4. The drainage system for foundation pits of claim 2, wherein the cover plate is threadedly connected to the first casing.
5. The drainage system for foundation pits of claim 1, wherein the second sleeve is socket connected to the drain pipe.
6. The drainage system for the foundation pit according to claim 5, wherein a socket between the second sleeve and the drain pipe is provided with an adhesive layer.
7. A drainage system for a foundation pit according to any one of claims 1 to 6, wherein the spacing between adjacent first sleeves is from 20 metres to 25 metres.
8. The drainage system for foundation pits according to any one of claims 1 to 6, wherein the flashing slope of the drainage system is 1% to 5%.
9. The drainage system for foundation pits of claim 8, further comprising a pad disposed at a side of the drainage pipe near the foundation pit, the pad for changing a slope of flashing of the drainage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728929.0U CN211285659U (en) | 2019-10-16 | 2019-10-16 | Drainage system for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728929.0U CN211285659U (en) | 2019-10-16 | 2019-10-16 | Drainage system for foundation pit |
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| Publication Number | Publication Date |
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| CN211285659U true CN211285659U (en) | 2020-08-18 |
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| CN201921728929.0U Active CN211285659U (en) | 2019-10-16 | 2019-10-16 | Drainage system for foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700294A (en) * | 2019-10-16 | 2020-01-17 | 上海建工七建集团有限公司 | Drainage system for foundation pit and construction method thereof |
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2019
- 2019-10-16 CN CN201921728929.0U patent/CN211285659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700294A (en) * | 2019-10-16 | 2020-01-17 | 上海建工七建集团有限公司 | Drainage system for foundation pit and construction method thereof |
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